https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://www.booksfree.org/wp-content/uploads/2022/03/perrys-chemical-engineering-handbook-8th-edition-section18-liquid-solid-operations-pdf-free-download.pdf&ved=2ahUKEwimh8De3JyJAxXhh68BHTRsKqsQFnoECCsQAQ&usg=AOvVaw18j_BVSro4S6tluIYmQjv5
可以下載 速度很快
https://pdfcoffee.com/perryx27s-chemical-engineersx27-handbook-8th-edpdf-4-pdf-free.html
這裡也可以
